Analysis Overview
SHA256
db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5
Threat Level: Known bad
The file db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe was found to be: Known bad.
Malicious Activity Summary
Njrat family
Modifies Windows Firewall
Drops startup file
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Drops autorun.inf file
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-20 19:27
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-20 19:27
Reported
2024-01-20 19:29
Platform
win7-20231215-en
Max time kernel
150s
Max time network
152s
Command Line
Signatures
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3af7f2b1f33dad1da92e7f8ffbbc0386.exe | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3af7f2b1f33dad1da92e7f8ffbbc0386.exe | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\3af7f2b1f33dad1da92e7f8ffbbc0386 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe\" .." | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\3af7f2b1f33dad1da92e7f8ffbbc0386 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe\" .." | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
Drops autorun.inf file
| Description | Indicator | Process | Target |
| File created | C:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
| File opened for modification | C:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
| File created | D:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
| File created | F:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
| File opened for modification | F:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2040 wrote to memory of 1944 | N/A | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2040 wrote to memory of 1944 | N/A | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2040 wrote to memory of 1944 | N/A | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2040 wrote to memory of 1944 | N/A | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe
"C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe" "db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.125.223.134:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.223.134:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.223.134:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.223.134:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.223.134:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.223.134:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.223.134:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.223.134:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.223.134:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.223.134:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.223.134:15574 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | tcp |
Files
memory/2040-0-0x0000000074D90000-0x000000007533B000-memory.dmp
memory/2040-2-0x0000000001FD0000-0x0000000002010000-memory.dmp
memory/2040-1-0x0000000074D90000-0x000000007533B000-memory.dmp
F:\svchost.exe
| MD5 | 5c0fbebc21d4edf3759244438fc479ae |
| SHA1 | a5a9bb372be9d679be2795e2a2f42250b43a3d51 |
| SHA256 | db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5 |
| SHA512 | 96d33662575ccaa7b7adb24c15f3599c6203f66fb585f7d187829492f85d5995dbda5b80ab72960abae004188fd6ff1b6467093fdabba5331e6ce365156396a9 |
memory/2040-12-0x0000000074D90000-0x000000007533B000-memory.dmp
memory/2040-13-0x0000000074D90000-0x000000007533B000-memory.dmp
memory/2040-14-0x0000000001FD0000-0x0000000002010000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-20 19:27
Reported
2024-01-20 19:29
Platform
win10v2004-20231215-en
Max time kernel
154s
Max time network
161s
Command Line
Signatures
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3af7f2b1f33dad1da92e7f8ffbbc0386.exe | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3af7f2b1f33dad1da92e7f8ffbbc0386.exe | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\3af7f2b1f33dad1da92e7f8ffbbc0386 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe\" .." | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3af7f2b1f33dad1da92e7f8ffbbc0386 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe\" .." | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
Drops autorun.inf file
| Description | Indicator | Process | Target |
| File opened for modification | F:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
| File created | C:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
| File opened for modification | C:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
| File created | D:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
| File created | F:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 5088 wrote to memory of 2656 | N/A | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 5088 wrote to memory of 2656 | N/A | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 5088 wrote to memory of 2656 | N/A | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe
"C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe" "db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 210.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 18.192.31.165:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:15574 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| DE | 18.192.31.165:15574 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.71.91.104.in-addr.arpa | udp |
| DE | 18.192.31.165:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:15574 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 18.192.31.165:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:15574 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| DE | 18.192.31.165:15574 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| DE | 18.192.31.165:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:15574 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 10.73.50.20.in-addr.arpa | udp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
Files
memory/5088-0-0x00000000749B0000-0x0000000074F61000-memory.dmp
memory/5088-1-0x00000000749B0000-0x0000000074F61000-memory.dmp
memory/5088-2-0x0000000000C50000-0x0000000000C60000-memory.dmp
F:\svchost.exe
| MD5 | 5c0fbebc21d4edf3759244438fc479ae |
| SHA1 | a5a9bb372be9d679be2795e2a2f42250b43a3d51 |
| SHA256 | db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5 |
| SHA512 | 96d33662575ccaa7b7adb24c15f3599c6203f66fb585f7d187829492f85d5995dbda5b80ab72960abae004188fd6ff1b6467093fdabba5331e6ce365156396a9 |
memory/5088-12-0x00000000749B0000-0x0000000074F61000-memory.dmp
memory/5088-13-0x00000000749B0000-0x0000000074F61000-memory.dmp
memory/5088-14-0x0000000000C50000-0x0000000000C60000-memory.dmp